Karcher HD 425 Pressure Washer User Manual


 
7
WORKING WITH DETERGENTS
The high pressure setting is used for cleaning, you cannot apply detergents when working at high
pressure. To apply detergents you must be operating at low pressure (
“CHEM” position
).
Step 3
Turn on the pressure washer. Pull trigger to
operate unit: Liquid detergent is drawn into the
unit and mixed with water. Apply detergent to
work area, from bottom to top. Do not allow
detergent to dry on surface.
Step 2
Adjust the filter end of the detergent tube for
light (-), or maximum (+) detergent coverage.
Place the filter end of detergent suction tube
into the jug.
Step 1
Use triple nozzle, set to “CHEM” position, to
apply detergents
Always Use Kärcher
Detergents for Best Results.
Kärcher biodegradable detergents are specially
formulated to protect the environment and your
pressure washer. Special formula won’t clog the
suction tube filter and will protect the internal
parts of the pressure washer for a longer life.
For Kärcher Detergents, check with your dealer
or call:
1-888-705-9444
The following detergents are
available from your Kärcher dealer:
Caution
Never use:
Bleach, chlorine products and other
corrosive chemicals
Liquids containing solvents
(i.e., paint thinners, gasoline, oils)
Tri-sodium phosphate products
Ammonia products
Acid-based products
These chemicals will harm the unit and will
damage the surface being cleaned.
Heavy Duty Degreaser
Premium Vehicle Wash
Universal Detergent